//

#include <iostream>
using namespace std;

int main()
{
	int loop1, loop2;
	for(loop1 = 1; loop1 <= 10; loop1++)
	{
		for(loop2 = loop1; loop2 > 0; loop2--)
		{
			cout << "x";
		}
		cout << endl;
	}
	return 0;
}